Tech Lead - NodeJS, React, Mongo, Microservices

JOB DESCRIPTION

Experience: 5-8 years

Location: Mumbai

Wissen Technology is now hiring for a Senior Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 5-8 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

About Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Website : www.wissen.com 

We are looking for back end engineering experts with the passion to take on new challenges in a high growth startup environment. If you love finding creative solutions to coding challenges using the latest tech stack such as Java 18+, Spring Boot 3+, then we would like to speak with you.

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Roles & Responsibilities

• You will be part of a team that focuses on building a world-class data science platform
• Work closely with both product owners and architects to fully understand business requirements and the design philosophy
• Optimize web and data applications for performance and scalability
• Collaborate with automation engineering team to deliver high-quality deliverables within a challenging time frame
• Produce quality code, raising the bar for team performance and speed
• Recommend systems solutions by comparing advantages and disadvantages of custom development and purchased alternatives
• Follow emerging technologies

Key Skills Required

• Bachelor’s degree (or equivalent) in computer science
• At least 6 years of experience in software development using Java / Python, SpringBoot, REST API and scalable microservice frameworks.
• Strong foundation in computer science, algorithms, and web design
• Experience in writing highly secure web applications
• Knowledge of container/orchestration tools (Kubernetes, Docker, etc.) and UI frameworks (NodeJS, React)
• Good development habits, including unit testing, CI, and automated testing
• High growth mindset that challenges the status quo and focuses on unique ideas and solutions
• Experience on working with dynamic startups / high intensity environment would be a Plus
• Experience working with shell scripting, Github Actions, Unix and prominent cloud providers like GCP, Azure, S3 is a plus

‍Why Join Us

• Drive measurable impact for Fortune 500 customers across the globe, helping them turn AI vision into operational value.
• Be part of a category-defining AI company, pioneering a hybrid model that bridges agents and experts.
• Own strategic accounts end-to-end and shape what modern AI success looks like.
• Work with a cross-functional, high-performance team that values execution, clarity, and outcomes.
• Globally competitive compensation and benefits tailored to your local market.
• Recognized as a Top 5 Data Science and Machine Learning platform on G2 for customer satisfaction.

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Requirements

• Bachelors/Masters in Computer Science or a related field
• 5-8 years of relevant experience
• Proven track record of Team Leading/Mentoring a team successfully.
• Experience with web technologies and microservices architecture both frontend and backend.
• Java, Spring framework, hibernate
• MySQL, Mongo, Solr, Redis, 
• Kubernetes, Docker
• Strong understanding of Object-Oriented Programming, Data Structures, and Algorithms.
• Excellent teamwork skills, flexibility, and ability to handle multiple tasks.
• Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story
• Ability to think and analyze both breadth-wise (client, server, DB, control flow) and depth-wise (threads, sessions, space-time complexity) while designing and implementing services
• Exceptional design and architectural skills
• Experience of cloud providers/platforms like GCP and AWS

Roles & Responsibilities

• Develop new user-facing features.
• Work alongside the product to understand our requirements, and design, develop and iterate, think through the complex architecture.
• Writing clean, reusable, high-quality, high-performance, maintainable code.
• Encourage innovation and efficiency improvements to ensure processes are productive.
• Ensure the training and mentoring of the team members.
• Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed.
• Research and apply new technologies, techniques, and best practices.
• Team mentorship and leadership.

Description 

Our Software Architects are the strategic thinkers and technical leaders. They design, validate, and guide the delivery of enterprise-grade systems that balance innovation, performance, scalability, and cost efficiency. 

 Software Architects work at the intersection of business strategy and technical execution. They collaborate across engineering, product, and design teams to define architecture blueprints, select technologies, and ensure systems evolve in alignment with customer goals. Architects are hands-on, often prototyping solutions and coaching teams, while also trusted to influence executives on technical direction. Here’s what you should know if you want to be a Software Architect at 

Requirements 

The ideal person 

● Proven track record in architecting and delivering large-scale, distributed software systems. 

● Expertise in modern architectural patterns: microservices, event-driven systems, composable commerce, headless architectures. 

● Ability to translate business strategy into actionable technical roadmaps and system designs. 

● Strong leadership skills: guiding engineering teams, mentoring individuals, and setting technical standards. 

● Excellent stakeholder management and communication skills, from engineers to C level. 

● Commitment to designing systems that are secure, performant, and cost-efficient.

Desirable Skills 

● Deep experience with multiple programming languages and frameworks (e.g., ● JavaScript/TypeScript, Node.js, React, Java, .NET, Python). 

● Strong knowledge of cloud-native architectures (AWS, GCP, Azure) and containerisation (Docker, Kubernetes). 

● Experience with data platforms, integration patterns, and API-first design (REST, GraphQL, gRPC). 

● Familiarity with CI/CD, DevOps, and Infrastructure-as-Code practices. ● Understanding of security standards, compliance (GDPR, SOC2), and enterprise IT constraints. 

● Ability to design for scalability across global markets and multi-tenant environments. ● Strong knowledge of design systems and front-end frameworks, ensuring alignment between presentation and infrastructure. 

● Experience leading architectural reviews, trade-off analysis, and decision records. ● Ability to mentor teams and establish communities of practice around architecture. ● Awareness of emerging technologies (AI, serverless, edge computing) and their practical application. 

On any given day you might 

● Define architecture blueprints and technical roadmaps for enterprise projects. ● Partner with product owners and business stakeholders to align architecture with strategic goals. 

● Make key technology selection decisions, balancing innovation with long-term maintainability. 

● Review system designs, ensuring alignment with principles of security, scalability, and performance. 

● Support engineering teams with hands-on prototyping and technical problem solving. ● Facilitate architectural reviews and communicate trade-offs to both technical and non-technical audiences. 

● Collaborate with designers to ensure UI/UX and architecture integrate seamlessly. ● Influence enterprise customers, helping them modernise platforms and adopt composable, headless, or cloud-native approaches. 

● Establish coding standards, architectural patterns, and governance processes. ● Share thought leadership internally and externally, positioning Co. as a trusted Advisor.

You bring 

● 7+ years of software development and architecture experience. 

● Expertise in designing cloud-native, distributed systems. 

● Proven success in leading technical decisions across multi-team programmes. ● Strong cross-functional collaboration and customer-facing skills. 

● Advanced understanding of system integration, security, and performance optimisation. 

● Familiarity with enterprise-scale delivery: migration projects, composable commerce, API ecosystems. 

● Advanced English, able to communicate at both executive and engineering levels. ● (Bonus) Experience contributing to open-source, publishing architectural thought pieces, or speaking at conferences.

Dear,

We are excited to inform you about an exclusive opportunity at Xebia for a Senior Backend Engineer role.

📌 Job Details:

• Role: Senior Backend Engineer
•  Shift: 1 PM – 10 PM
• Work Mode: Hybrid (3 days a week) across Xebia locations
• Notice Period: Immediate joiners or up to 30 days

🔹 Job Responsibilities:

✅ Design and develop scalable, reliable, and maintainable backend solutions

✅ Work on event-driven microservices architecture

✅ Implement REST APIs and optimize backend performance

✅ Collaborate with cross-functional teams to drive innovation

✅ Mentor junior and mid-level engineers

🔹 Required Skills:

✔ Backend Development: Scala (preferred), Java, Kotlin

✔ Cloud: AWS or GCP

✔ Databases: MySQL, NoSQL (Cassandra)

✔ DevOps & CI/CD: Jenkins, Terraform, Infrastructure as Code

✔ Messaging & Caching: Kafka, RabbitMQ, Elasticsearch

✔ Agile Methodologies: Scrum, Kanban

⚠ Please apply only if you have not applied recently or are not currently in the interview process for any open roles at Xebia.

Looking forward to your response! Also, feel free to refer anyone in your network who might be a good fit.

Best regards,

Vijay S

Assistant Manager - TAG

https://www.linkedin.com/in/vijay-selvarajan/

Java, Java8, Springboot, Microservices, core java, j2ee, JAVA, Springboot

backend, core java, java8, micro services

Introduction

Ever wondered what it would be like to be a part of the core team of Airbnb or Netflix when they were just starting out? Here’s your chance to try that path with Ohana!

We are looking for a founding engineer to join our team.

Who we are

Ohana is an E-learning platform for holistic learning. We are an angel-funded early stage startup backed by some of the marquee angel investors from India and Singapore. Our investors include Vivek HR (co-founder and CEO, Bounce), Tanushree Gupta (co-founder and CEO, Doubtnut), Jagmal Singh (CTO, Janio Asia) to name a few!

Check us out at https://ohana.academy!

Our Product

“Creativity is as important as literacy” - Sir Ken Robinson

With this belief, Ohana is building the world's largest holistic learning academy. Our product offering:

The Classroom: Offering live online classes on arts, crafts, linguistics, yoga, dance and many more subjects
The Playground: Enabling social learning - a community for kids to find peers with similar interests

Our mission

India has 250Mn kids in the K12 segment. However, except the top 0.1%, most parents can’t find high-quality and affordable holistic learning for their kids. Fortunately, 140Mn kids are now connected to the digital world with 4G access. We want to leverage this new connectivity and bridge the gap in children's overall development with Ohana.

Where are we in our journey

Team: We are a team of two co-founders (Saurabh and Suyash), both IIT Delhi alums with over a decade of experience each in leading consumer businesses. We have a total of 15 people team including 4 engineers (currently outsourced)

Customers: Over the last couple of months, we have grown to 5,000+ registered users and aim to reach 10K+ paid users and 1 Mn+ community strength in the next 12 months.

Young, inspired, and focused - We are ready for take-off!

Our Culture

• “Mission-driven” is not a buzzword for us. We care deeply about the impact we want to create on kid’s lives and we want to exemplify the value of “no child left behind”
• Be inclusive - We are creating a product that is accessible and affordable. We want to solve this not just for Bangalore and Mumbai, but for Indore, Jabalpur, Raipur as well
• Not just customer obsessed - we also care about their well-being. We are willing to compromise profits - but will not resort to unethical sales tactics or compromise on product quality
• Our team cares about a strong culture and respects our code of conduct

Why work for us

• We have global ambitions - Holistic education is a $75Bn global market, with India alone contributing more than $10Bn. Apart from salary compensation, you get a piece of the pie (equity) of a potentially billion-dollar organization
• You will have exposure to building large, scalable systems and will be mentored by people who have done the same for millions of users
• You will have exposure to starting up / entrepreneurship (ever feel like you want to build a startup?) owning end to end consumer tech product which impacts the life of thousands of students/parents on daily level

Job Location

We are based out of Bengaluru and work from an office. We encourage working from office, but are completely ok if you would like to work remotely until things return to normal.

Expectations from the role

• You will work closely with the founding team and a small team of engineers, currently outsourced, in a fast-paced environment.
• You will work as a tech lead and will be responsible for architecting the new features as well as improving the existing codebase. You will be expected to have a high degree of ownership and responsibility for deliverables.
• You will wear a product hat as and when required and help in shaping the product.
• You will provide technical mentorship to other engineers in the team and will lead a team of junior engineers.
• You should be able to deal with ambiguity, have strong bias towards action, ability to deep dive whenever required and quickly deliver to unblock the team

Preferred experience and competencies

• You are a software engineer with 4+ years of industry experience.
• Professional experience with at least one web dev framework (ReactJS or Django/Python)
• Professional experience with one or more (SQL or NoSQL) databases.
• A stint in a product company or a startup or any similar faced paced environment is preferable.
• Experience working with cloud infra providers (e.g., AWS, GCP, Azure etc.) is preferable.
• Strong proficiency in REST API

• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
• Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
• Developing ideas for new programs, products, or features by monitoring industry developments and trends.
• Recording data and reporting it to proper parties, such as clients or leadership.
• Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
• Taking lead on projects, as needed.